{{Short description|Genus of flowering plants}} {{automatic taxobox |name = Prairie coneflowers |image = Mexican Hats (Ratibida columnifera).jpg |image_caption = ''Ratibida columnifera'' |display_parents = 3 |taxon = Ratibida |authority = Raf.<!--1817--><ref name="GRIN">{{cite web |url=http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?10266 |title=Genus: ''Ratibida'' Raf. |work=Germplasm Resources Information Network |publisher=United States Department of Agriculture |date=1996-09-17 |accessdate=2011-02-10}}</ref> |type_species = ''Ratibida sulcata'' |type_species_authority = Raf. |synonyms_ref = <ref name=j>[http://dixon.iplantcollaborative.org/CompositaeWeb/Default.aspx?Page=NameSearch&searchText=Ratibida Flann, C (ed) 2009+ Global Compositae Checklist ] {{webarchive|url=https://archive.today/20150104115026/http://dixon.iplantcollaborative.org/CompositaeWeb/Default.aspx?Page=NameSearch&searchText=Ratibida |date=2015-01-04 }}</ref> |synonyms = * ''Lepachys'' <small>Raf.</small> * ''Obeliscaria'' sect. ''Ratibida'' <small>(Raf.) DC.</small> * ''Obeliscaria'' sect. ''Lepachys'' <small>(Raf.) DC.</small> * ''Obelisteca'' <small>Raf.</small> * ''Obeliscaria'' <small>Cass.</small> }}
'''''Ratibida''''' is a genus of North American plants in the tribe Heliantheae within the family Asteraceae.<ref name="GRIN"/><ref>Rafinesque, Constantine Samuel. 1817. Florula Ludoviciana, page 73</ref> Members of the genus are commonly known as '''prairie coneflowers'''<ref name="ITIS">{{ITIS |id=38340 |taxon=''Ratibida'' |accessdate=2011-02-10}}</ref><ref>[http://www.tropicos.org/Name/40022886 Tropicos, ''Ratibida'' Raf.]</ref><ref>Richards, E. L. 1968. A monograph of the genus ''Ratibida''. Rhodora 70: 348–393.</ref> or mexican-hat.<ref>{{Go Botany|genus=Ratibida}}</ref>
==Species== There are 7 species:<ref name=j/><ref>[http://bonap.net/NAPA/TaxonMaps/Genus/County/Ratibida Biota of North America Program, 2013 county distribution maps]</ref><ref name="GRINSpecies">{{cite web |url=http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?10266 |title=GRIN Species Records of ''Ratibida'' |work=Germplasm Resources Information Network |publisher=United States Department of Agriculture |accessdate=2011-02-10}}</ref><ref>{{eFloras|1|128007 |first1=Lowell E. |last1=Urbatsch |first2=Patricia B. |last2=Cox |volume=21}}</ref> * ''Ratibida coahuilensis'' <small>B.L.Turner</small> - Coahuila * ''Ratibida columnifera'' <small>(Nutt.) Wooton & Standl.</small> – upright prairie coneflower - widespread in Canada, United States, and northeastern Mexico * ''Ratibida latipalearis'' E.L.Richards - Chihuahua * ''Ratibida mexicana'' (S.Watson) W.M.Sharp - Chihuahua, Coahuila, Sonora * ''Ratibida peduncularis'' <small>(Torr. & A.Gray) Barnhart</small> – naked prairie coneflower - Louisiana, Texas * ''Ratibida pinnata'' <small>(Vent.) Barnhart</small> – pinnate prairie coneflower - Ontario, eastern + central United States (primarily Great Lakes + Mississippi Valley) * ''Ratibida tagetes'' <small>(E.James) Barnhart</small> – short-ray prairie coneflower - Chihuahua, United States (desert southwest, western Great Plains)
==References== {{Reflist}}
==External links== * {{Commons category-inline|Ratibida|''Ratibida''}} * {{Wikispecies-inline|Ratibida|''Ratibida''}}
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Category:Flora of Northern America Category:Heliantheae Category:Asteraceae genera Category:Taxa named by Constantine Samuel Rafinesque
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